[Mip6] [New I-D] DNA with unmodified routers(CPL)
JinHyeock Choi <jinchoe@samsung.com> Fri, 22 April 2005 13:45 UTC
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Date: Fri, 22 Apr 2005 11:57:14 +0900
From: JinHyeock Choi <jinchoe@samsung.com>
To: Erik Nordmark <Erik.Nordmark@sun.com>
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Subject: [Mip6] [New I-D] DNA with unmodified routers(CPL)
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Dear MIP6 Group A new WG I-D is announced in DNA WG. DNA with unmodified routers: Prefix list based approach draft-ietf-dna-cpl-00.txt The current MD (Movement Detection) scheme for MIPv6 is less than optimal. When a host moves to an another subnet, if it uses NUD, it would take roughly 3 secs to detect a change. Moreover, link-local scope of router addresses may cause the host to make a wrong decision. This draft describes a fast & robust DNA/MD scheme without a standard change, which can be adopted to existing MIPv6 code right now. Upon establishing a new link-layer connection, a host checks for link change, i.e. determines whether it still remains at the same link or not. Currently there is one thing which can represent the identify of a link, 'The set of all the global and valid prefixes assigned to a link.' We propose that, at each attached link, the host generates the Complete Prefix List, that is, the prefix list contains all the prefixes on the link, and when it receives a hint of a a possible link change, (usually link UP notification from link-layer), it detects the identity of the currently attached link by consulting the existing prefix list. We describe how to generate the Complete Prefix List and to robustly check for link change even in the presence of packet losses. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-dna-cpl-00.txt We are looking forward to your feedback, especially from the people who actually implement MIPv6 stack. Thanks in advance for your kind consideration. Best Regards JinHyeock Choi and Erik Nordmark (Authors) _______________________________________________ Mip6 mailing list Mip6@ietf.org https://www1.ietf.org/mailman/listinfo/mip6
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- [Mip6] [New I-D] DNA with unmodified routers(CPL) JinHyeock Choi